"The computer will do what you tell it to do, but that may not be what you want it to do."

"I had a running compiler and nobody would touch it. They told me computers could only do arithmetic."

"If it's a good idea, go ahead and do it. It is much easier to apologize than it is to get permission."

"The computer is the most powerful tool ever invented. It can do anything you tell it to do, but it won't tell you what to do."

"I think the Mark I was probably the most exciting thing I ever did."